There are 6 ways to get from London to Ko Samui by plane or train
Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2Rio's travel planner.
Fly from London Heathrow Airport
best- Fly from London Heathrow Airport (LHR) to Koh Samui Airport (USM)plane LHR - USM
16h 28m฿17,097–35,442Train to London Southend Airport, fly
cheapest- Take the train from London Liverpool Street to Southend Airporttrain
- Fly from London Southend Airport (SEN) to Koh Samui Airport (USM)plane SEN - USM
21h 26m฿16,553–56,998Train to London Gatwick Airport, fly
- Take the train from London Victoria to Gatwick Airporttrain
- Fly from London Gatwick Airport (LGW) to Koh Samui Airport (USM)plane LGW - USM
16h 31m฿18,323–33,988Fly from London City Airport
- Fly from London City Airport (LCY) to Koh Samui Airport (USM)plane LCY - USM
18h 37m฿31,993–46,256Fly from London Stansted Airport
- Fly from London Stansted Airport (STN) to Koh Samui Airport (USM)plane STN - USM
19h 55m฿18,525–38,224Train to Luton Airport, fly
- Take the train from London St Pancras Intl to Luton Airport Parkwaytrain
- Fly from Luton Airport (LTN) to Koh Samui Airport (USM)plane LTN - USM
20h 51m฿17,509–44,537
London Heathrow Airport (LHR) to Koh Samui Airport (USM) flights
Questions & Answers
The cheapest way to get from London to Ko Samui is to fly which costs ฿18000 - ฿39000 and takes 19h 55m.
The fastest way to get from London to Ko Samui is to fly which takes 16h 28m and costs ฿17000 - ฿36000.
The distance between London and Ko Samui is 9942 km.
It takes approximately 16h 28m to get from London to Ko Samui, including transfers.
Ko Samui is 7h ahead of London. It is currently 2:24 PM in London and 9:24 PM in Ko Samui.
There are 3006+ hotels available in Ko Samui.
What companies run services between London, England and Ko Samui, Thailand?
Thai Airways International, Bangkok Airways, and four other airlines fly from London Heathrow Airport (LHR) to Koh Samui Airport (USM) every 4 hours.
- Website
- thaiairways.com
Flights from London Heathrow Airport to Koh Samui Airport via Suvarnabhumi
- Ave. Duration
- 13h 57m
- When
- Every day
- Estimated price
- ฿22,000–65,000
Flights from London Heathrow Airport to Koh Samui Airport via Phuket
- Ave. Duration
- 14h
- When
- Wednesday, Friday, and Sunday
- Estimated price
- ฿17,000–65,000
Flights from London Gatwick Airport to Koh Samui Airport via Suvarnabhumi
- Ave. Duration
- 13h 35m
- When
- Tuesday, Wednesday, Friday, and Sunday
- Estimated price
- ฿17,000–41,000
Flights from London Gatwick Airport to Koh Samui Airport via Ashgabat, Suvarnabhumi
- Ave. Duration
- 17h 35m
- When
- Saturday
- Estimated price
- ฿15,000–55,000
Flights from London City Airport to Koh Samui Airport via Frankfurt, Suvarnabhumi
- Ave. Duration
- 16h
- When
- Monday to Friday
- Estimated price
- ฿26,000–80,000
Flights from London City Airport to Koh Samui Airport via Rome, Suvarnabhumi
- Ave. Duration
- 19h 10m
- When
- Monday to Saturday
- Estimated price
- ฿23,000–70,000
Flights from London Stansted Airport to Koh Samui Airport via Vienna, Suvarnabhumi
- Ave. Duration
- 16h 55m
- When
- Tuesday, Friday, and Saturday
- Estimated price
- ฿15,000–49,000
Flights from London Stansted Airport to Koh Samui Airport via Copenhagen, Suvarnabhumi
- Ave. Duration
- 17h 20m
- When
- Thursday to Sunday
- Estimated price
- ฿19,000–55,000
Flights from Luton Airport to Koh Samui Airport via Vienna, Suvarnabhumi
- Ave. Duration
- 20h 55m
- When
- Tuesday, Wednesday, Friday, and Sunday
- Estimated price
- ฿16,000–42,000
Flights from Luton Airport to Koh Samui Airport via Istanbul, Phuket
- Ave. Duration
- 21h 25m
- When
- Every day
- Estimated price
- ฿14,000–47,000
Flights from Luton Airport to Koh Samui Airport via Warsaw Chopin, Suvarnabhumi
- Ave. Duration
- 17h 50m
- When
- Monday, Wednesday, Thursday, Saturday, and Sunday
- Estimated price
- ฿14,000–50,000
Flights from Luton Airport to Koh Samui Airport via Munich, Suvarnabhumi
- Ave. Duration
- 19h 5m
- When
- Thursday
- Estimated price
- ฿15,000–60,000
Flights from Luton Airport to Koh Samui Airport via Prague, Krabi
- Ave. Duration
- 23h 30m
- When
- Friday
- Estimated price
- ฿21,000–60,000
Flights from London Southend Airport to Koh Samui Airport via Paris Charles de Gaulle, Suvarnabhumi
- Ave. Duration
- 18h
- When
- Monday, Wednesday, Thursday, Friday, and Sunday
- Estimated price
- ฿20,000–60,000
Flights from London Southend Airport to Koh Samui Airport via Amsterdam Schiphol, Suvarnabhumi
- Ave. Duration
- 20h
- When
- Monday, Tuesday, Thursday, Friday, Saturday, and Sunday
- Estimated price
- ฿20,000–60,000
Flights from London Southend Airport to Koh Samui Airport via Paris Charles de Gaulle, Phuket
- Ave. Duration
- 20h 30m
- When
- Monday and Thursday
- Estimated price
- ฿16,000–60,000
Flights from London Southend Airport to Koh Samui Airport via Berlin Brandenburg, Warsaw Chopin, Suvarnabhumi
- Ave. Duration
- 19h
- When
- Monday
- Estimated price
- ฿15,000–55,000
- Website
- evaair.com
Flights from London Heathrow Airport to Koh Samui Airport via Suvarnabhumi
- Ave. Duration
- 14h 5m
- When
- Monday, Wednesday, and Friday
- Estimated price
- ฿22,000–65,000
Flights from London Gatwick Airport to Koh Samui Airport via Suvarnabhumi
- Ave. Duration
- 13h 35m
- When
- Tuesday, Wednesday, Friday, and Sunday
- Estimated price
- ฿17,000–41,000
Flights from London Gatwick Airport to Koh Samui Airport via Ashgabat, Suvarnabhumi
- Ave. Duration
- 17h 35m
- When
- Saturday
- Estimated price
- ฿15,000–55,000
Flights from London City Airport to Koh Samui Airport via Amsterdam Schiphol, Suvarnabhumi
- Ave. Duration
- 15h 50m
- When
- Tuesday and Thursday
- Estimated price
- ฿23,000–65,000
Flights from London City Airport to Koh Samui Airport via Rome, Suvarnabhumi
- Ave. Duration
- 19h 10m
- When
- Monday to Saturday
- Estimated price
- ฿23,000–70,000
Flights from London Stansted Airport to Koh Samui Airport via Vienna, Suvarnabhumi
- Ave. Duration
- 16h 50m
- When
- Friday
- Estimated price
- ฿17,000–44,000
Flights from Luton Airport to Koh Samui Airport via Vienna, Suvarnabhumi
- Ave. Duration
- 20h 55m
- When
- Tuesday, Wednesday, Friday, and Sunday
- Estimated price
- ฿16,000–42,000
Flights from Luton Airport to Koh Samui Airport via Warsaw Chopin, Suvarnabhumi
- Ave. Duration
- 17h 50m
- When
- Monday, Wednesday, Thursday, Saturday, and Sunday
- Estimated price
- ฿14,000–50,000
Flights from Luton Airport to Koh Samui Airport via Munich, Suvarnabhumi
- Ave. Duration
- 19h 5m
- When
- Thursday
- Estimated price
- ฿15,000–60,000
Flights from London Southend Airport to Koh Samui Airport via Berlin Brandenburg, Warsaw Chopin, Suvarnabhumi
- Ave. Duration
- 19h
- When
- Monday
- Estimated price
- ฿15,000–55,000
- Website
- qatarairways.com
Flights from London Heathrow Airport to Koh Samui Airport via Phuket
- Ave. Duration
- 14h
- When
- Wednesday, Friday, and Sunday
- Estimated price
- ฿17,000–65,000
Flights from London Gatwick Airport to Koh Samui Airport via Suvarnabhumi
- Ave. Duration
- 13h 35m
- When
- Tuesday, Wednesday, Friday, and Sunday
- Estimated price
- ฿17,000–41,000
Flights from London Gatwick Airport to Koh Samui Airport via Doha, Phuket
- Ave. Duration
- 18h 32m
- When
- Every day
- Estimated price
- ฿20,000–65,000
Flights from London Gatwick Airport to Koh Samui Airport via Ashgabat, Suvarnabhumi
- Ave. Duration
- 17h 35m
- When
- Saturday
- Estimated price
- ฿15,000–55,000
Flights from London City Airport to Koh Samui Airport via Rome, Suvarnabhumi
- Ave. Duration
- 19h 10m
- When
- Monday to Saturday
- Estimated price
- ฿23,000–70,000
Flights from Luton Airport to Koh Samui Airport via Warsaw Chopin, Suvarnabhumi
- Ave. Duration
- 17h 50m
- When
- Monday, Wednesday, Thursday, Saturday, and Sunday
- Estimated price
- ฿14,000–50,000
Flights from Luton Airport to Koh Samui Airport via Munich, Suvarnabhumi
- Ave. Duration
- 19h 5m
- When
- Thursday
- Estimated price
- ฿15,000–60,000
Flights from London Southend Airport to Koh Samui Airport via Paris Charles de Gaulle, Phuket
- Ave. Duration
- 20h 30m
- When
- Monday and Thursday
- Estimated price
- ฿16,000–60,000
Flights from London Southend Airport to Koh Samui Airport via Berlin Brandenburg, Warsaw Chopin, Suvarnabhumi
- Ave. Duration
- 19h
- When
- Monday
- Estimated price
- ฿15,000–55,000
- Website
- bangkokair.com
Flights from London Heathrow Airport to Koh Samui Airport via Phuket
- Ave. Duration
- 14h
- When
- Wednesday, Friday, and Sunday
- Estimated price
- ฿17,000–65,000
Flights from London Gatwick Airport to Koh Samui Airport via Suvarnabhumi
- Ave. Duration
- 13h 35m
- When
- Tuesday, Wednesday, Friday, and Sunday
- Estimated price
- ฿17,000–41,000
Flights from London Gatwick Airport to Koh Samui Airport via Ashgabat, Suvarnabhumi
- Ave. Duration
- 17h 35m
- When
- Saturday
- Estimated price
- ฿15,000–55,000
Flights from London City Airport to Koh Samui Airport via Rome, Suvarnabhumi
- Ave. Duration
- 19h 10m
- When
- Monday to Saturday
- Estimated price
- ฿23,000–70,000
Flights from Luton Airport to Koh Samui Airport via Warsaw Chopin, Suvarnabhumi
- Ave. Duration
- 17h 50m
- When
- Monday, Wednesday, Thursday, Saturday, and Sunday
- Estimated price
- ฿14,000–50,000
Flights from Luton Airport to Koh Samui Airport via Munich, Suvarnabhumi
- Ave. Duration
- 19h 5m
- When
- Thursday
- Estimated price
- ฿15,000–60,000
Flights from Luton Airport to Koh Samui Airport via Prague, Krabi
- Ave. Duration
- 23h 30m
- When
- Friday
- Estimated price
- ฿21,000–60,000
Flights from London Southend Airport to Koh Samui Airport via Paris Charles de Gaulle, Phuket
- Ave. Duration
- 20h 30m
- When
- Monday and Thursday
- Estimated price
- ฿16,000–60,000
Flights from London Southend Airport to Koh Samui Airport via Berlin Brandenburg, Warsaw Chopin, Suvarnabhumi
- Ave. Duration
- 19h
- When
- Monday
- Estimated price
- ฿15,000–55,000
- Website
- emirates.com
Flights from London Gatwick Airport to Koh Samui Airport via Suvarnabhumi
- Ave. Duration
- 13h 35m
- When
- Tuesday, Wednesday, Friday, and Sunday
- Estimated price
- ฿17,000–41,000
Flights from London Gatwick Airport to Koh Samui Airport via Ashgabat, Suvarnabhumi
- Ave. Duration
- 17h 35m
- When
- Saturday
- Estimated price
- ฿15,000–55,000
Flights from London City Airport to Koh Samui Airport via Rome, Suvarnabhumi
- Ave. Duration
- 19h 10m
- When
- Monday to Saturday
- Estimated price
- ฿23,000–70,000
Flights from London Stansted Airport to Koh Samui Airport via Dubai, Phuket
- Ave. Duration
- 16h 45m
- When
- Every day
- Estimated price
- ฿18,000–65,000
Flights from London Stansted Airport to Koh Samui Airport via Dubai, Suvarnabhumi
- Ave. Duration
- 17h 50m
- When
- Every day
- Estimated price
- ฿19,000–65,000
Flights from Luton Airport to Koh Samui Airport via Warsaw Chopin, Suvarnabhumi
- Ave. Duration
- 17h 50m
- When
- Monday, Wednesday, Thursday, Saturday, and Sunday
- Estimated price
- ฿14,000–50,000
Flights from Luton Airport to Koh Samui Airport via Munich, Suvarnabhumi
- Ave. Duration
- 19h 5m
- When
- Thursday
- Estimated price
- ฿15,000–60,000
Flights from London Southend Airport to Koh Samui Airport via Paris Charles de Gaulle, Phuket
- Ave. Duration
- 20h 30m
- When
- Monday and Thursday
- Estimated price
- ฿16,000–60,000
Flights from London Southend Airport to Koh Samui Airport via Berlin Brandenburg, Warsaw Chopin, Suvarnabhumi
- Ave. Duration
- 19h
- When
- Monday
- Estimated price
- ฿15,000–55,000
- Website
- singaporeair.com
Flights from London Heathrow Airport to Koh Samui Airport via Singapore Changi
- Ave. Duration
- 16h 30m
- When
- Every day
- Estimated price
- ฿20,000–130,000
Flights from London Gatwick Airport to Koh Samui Airport via Singapore Changi
- Ave. Duration
- 18h 40m
- When
- Every day
- Estimated price
- ฿18,000–110,000
Flights from London Gatwick Airport to Koh Samui Airport via Suvarnabhumi
- Ave. Duration
- 13h 35m
- When
- Tuesday, Wednesday, Friday, and Sunday
- Estimated price
- ฿17,000–41,000
Flights from London Gatwick Airport to Koh Samui Airport via Ashgabat, Suvarnabhumi
- Ave. Duration
- 17h 35m
- When
- Saturday
- Estimated price
- ฿15,000–55,000
Flights from Luton Airport to Koh Samui Airport via Munich, Suvarnabhumi
- Ave. Duration
- 19h 5m
- When
- Thursday
- Estimated price
- ฿15,000–60,000
Flights from London Southend Airport to Koh Samui Airport via Paris Charles de Gaulle, Phuket
- Ave. Duration
- 20h 30m
- When
- Monday and Thursday
- Estimated price
- ฿16,000–60,000
- Website
- gulfair.com
Flights from London Gatwick Airport to Koh Samui Airport via Suvarnabhumi
- Ave. Duration
- 13h 35m
- When
- Tuesday, Wednesday, Friday, and Sunday
- Estimated price
- ฿17,000–41,000
Flights from London Gatwick Airport to Koh Samui Airport via Manama, Suvarnabhumi
- Ave. Duration
- 19h
- When
- Wednesday, Friday, and Sunday
- Estimated price
- ฿14,000–38,000
Flights from London Gatwick Airport to Koh Samui Airport via Ashgabat, Suvarnabhumi
- Ave. Duration
- 17h 35m
- When
- Saturday
- Estimated price
- ฿15,000–55,000
Flights from Luton Airport to Koh Samui Airport via Munich, Suvarnabhumi
- Ave. Duration
- 19h 5m
- When
- Thursday
- Estimated price
- ฿15,000–60,000
- Website
- klm.com
Flights from London Gatwick Airport to Koh Samui Airport via Suvarnabhumi
- Ave. Duration
- 13h 35m
- When
- Tuesday, Wednesday, Friday, and Sunday
- Estimated price
- ฿17,000–41,000
Flights from London City Airport to Koh Samui Airport via Amsterdam Schiphol, Suvarnabhumi
- Ave. Duration
- 16h 30m
- When
- Every day
- Estimated price
- ฿20,000–75,000
- Website
- britishairways.com
Flights from London Heathrow Airport to Koh Samui Airport via Singapore Changi
- Ave. Duration
- 16h 35m
- When
- Every day
- Estimated price
- ฿17,000–55,000
Flights from London Gatwick Airport to Koh Samui Airport via Suvarnabhumi
- Ave. Duration
- 15h 35m
- When
- Monday, Tuesday, Thursday, Friday, Saturday, and Sunday
- Estimated price
- ฿13,000–47,000
- Website
- swiss.com
Flights from London Gatwick Airport to Koh Samui Airport via Ashgabat, Suvarnabhumi
- Ave. Duration
- 17h 35m
- When
- Saturday
- Estimated price
- ฿15,000–55,000
Flights from London City Airport to Koh Samui Airport via Zurich, Suvarnabhumi
- Ave. Duration
- 19h 40m
- When
- Every day
- Estimated price
- ฿20,000–70,000
- Website
- austrian.com
Flights from London Gatwick Airport to Koh Samui Airport via Ashgabat, Suvarnabhumi
- Ave. Duration
- 17h 35m
- When
- Saturday
- Estimated price
- ฿15,000–55,000
Flights from London Stansted Airport to Koh Samui Airport via Vienna, Suvarnabhumi
- Ave. Duration
- 17h
- When
- Tuesday, Friday, and Saturday
- Estimated price
- ฿15,000–49,000
- Website
- lufthansa.com
Flights from Luton Airport to Koh Samui Airport via Munich, Suvarnabhumi
- Ave. Duration
- 19h 45m
- When
- Thursday
- Estimated price
- ฿15,000–60,000
- Phone
- +44 3451 27 29 20
- Website
- southernrailway.com
Train from London Victoria to Gatwick Airport
- Ave. Duration
- 32 min
- Frequency
- Every 15 minutes
- Estimated price
- ฿420–600
- Website
- https://www.southernrailway.com/
- Anytime Day Single
- ฿420–600
- Phone
- +44 345 850 1530
- Website
- gatwickexpress.com
Train from London Victoria to Gatwick Airport
- Ave. Duration
- 30 min
- Frequency
- Every 30 minutes
- Estimated price
- ฿650–900
- Website
- https://www.gatwickexpress.com/
- Phone
- 0345 026 4700
- Website
- thameslinkrailway.com
Train from London St Pancras Intl to Luton Airport Parkway
- Ave. Duration
- 31 min
- Frequency
- Every 15 minutes
- Estimated price
- ฿600–1,300
- Website
- https://www.thameslinkrailway.com/
- Anytime Day Single
- ฿600–900
- Anytime Day Single 1st Class
- ฿900–1,300
- Phone
- 03457 125 678
- Website
- eastmidlandsrailway.co.uk
Train from London St Pancras Intl to Luton Airport Parkway
- Ave. Duration
- 21 min
- Frequency
- Hourly
- Estimated price
- ฿400–650
- Website
- https://www.eastmidlandsrailway.co.uk/
- Standard
- ฿400–650
Train from London Liverpool Street to Southend Airport
- Ave. Duration
- 52 min
- Frequency
- Every 30 minutes
- Estimated price
- ฿650–900
- Website
- https://www.greateranglia.co.uk/
- Standard
- ฿650–900
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